Concatenate multiple dataframes #98
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I have found out that concat method already exists, thus I have mimicked pandas.concat to implement inner concat. The function is added as a method to DataFrame with docstring and tested.
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What?
Per #83, I have mimicked the pandas.concat method to implement outer and inner concat for DataFrame, based on the pre-existing concat method in Combining class.
Why?
Enhancement for v1.1 milestone.
How?
Testing?
I have added tested both inner and outer concat.
Anything Else?
Performance of concat function can be further improved by improving the runtime of fillConcatDataFrame, such as by updating each combined column instead of by each index.